Projectile cartridge cases are heated in the heat treat shop as a part of the production process at Scranton Army Ammunition Plant on December 8, 2023. (DVIDS)
A US nuclear fusion engineer inspects a target chamber at the National Ignition Facility in California, a future test site for light-induced nuclear fusion. (Getty images)
European leaders, NATO Secretary General Mark Rutte, and Ukrainian President Volodymyr Zelenskyy pose for a family photo on December 15, 2025, at the Chancellery in Berlin, Germany. (Getty Images)
Royal Australian Navy warships HMAS Darwin (R) and HMAS Parramatta enter Sydney Harbour on October 4, 2013 in Sydney, Australia. (Cameron Spencer/Getty Images)